// file: crates/ksp-config-lib/unit_tests/profile.rs
// version: 2

#[test]
fn fixture_default_profile_resolves_globals_profile_and_provenance() {
    let engine = fixture_engine();
    let file_id = crate::ConfigFileId::new(crate::FILE_ID_STD_LOGGING);
    assert!(engine.is_ok(), "fixture Config engine should be constructible: {engine:?}");
    assert!(file_id.is_ok(), "logging file_id should be valid: {file_id:?}");
    if let (std::result::Result::Ok(engine), std::result::Result::Ok(file_id)) = (engine, file_id) {
        let document = engine.load_validated_document(&file_id);
        assert!(document.is_ok(), "committed Logging document should validate: {document:?}");
        let resolved = engine.load_resolved_profile(&file_id, std::option::Option::None);
        assert!(resolved.is_ok(), "default profile should resolve: {resolved:?}");
        if let (std::result::Result::Ok(document), std::result::Result::Ok(resolved)) = (document, resolved) {
            let default_profile = document.value().get("default_profile").and_then(serde_json::Value::as_str);
            assert_eq!(default_profile, std::option::Option::Some(resolved.profile_id()));
            assert_eq!(resolved.selection_source(), super::ConfigProfileSelectionSource::DefaultProfile);
            assert_eq!(resolved.origin("logs_directory"), std::option::Option::Some(super::ConfigValueOrigin::Global));
            assert_eq!(resolved.origin("default_filter"), std::option::Option::Some(super::ConfigValueOrigin::Profile));
            assert_eq!(
                resolved.profile().get("default_filter").and_then(serde_json::Value::as_str),
                resolved.effective().get("default_filter").and_then(serde_json::Value::as_str),
            );
            assert!(!resolved.effective().contains_key("default_profile"));
            assert!(!resolved.effective().contains_key("profiles"));
        }
    }
}

#[test]
fn explicit_profile_selection_is_distinct_from_default_selection() {
    let engine = fixture_engine();
    let file_id = crate::ConfigFileId::new(crate::FILE_ID_STD_LOGGING);
    assert!(engine.is_ok(), "fixture Config engine should be constructible: {engine:?}");
    assert!(file_id.is_ok(), "logging file_id should be valid: {file_id:?}");
    if let (std::result::Result::Ok(engine), std::result::Result::Ok(file_id)) = (engine, file_id) {
        let document = engine.load_validated_document(&file_id);
        assert!(document.is_ok(), "committed Logging document should validate: {document:?}");
        if let std::result::Result::Ok(document) = document {
            let profile_id = document.value().get("default_profile").and_then(serde_json::Value::as_str);
            assert!(profile_id.is_some(), "validated Logging document should expose default_profile");
            if let std::option::Option::Some(profile_id) = profile_id {
                let resolved = engine.load_resolved_profile(&file_id, std::option::Option::Some(profile_id));
                assert!(resolved.is_ok(), "explicit committed profile should resolve: {resolved:?}");
                if let std::result::Result::Ok(resolved) = resolved {
                    assert_eq!(resolved.profile_id(), profile_id);
                    assert_eq!(resolved.selection_source(), super::ConfigProfileSelectionSource::Explicit);
                }
            }
        }
    }
}

#[test]
fn unknown_explicit_profile_has_distinct_error_code() {
    let engine = fixture_engine();
    let file_id = crate::ConfigFileId::new(crate::FILE_ID_STD_LOGGING);
    assert!(engine.is_ok(), "fixture Config engine should be constructible: {engine:?}");
    assert!(file_id.is_ok(), "logging file_id should be valid: {file_id:?}");
    if let (std::result::Result::Ok(engine), std::result::Result::Ok(file_id)) = (engine, file_id) {
        let result = engine.load_resolved_profile(&file_id, std::option::Option::Some("does-not-exist"));
        assert!(result.is_err(), "unknown explicit profile must be rejected: {result:?}");
        if let std::result::Result::Err(error) = result {
            assert_eq!(error.code(), crate::ERROR_CODE_PROFILE_NOT_FOUND);
        }
    }
}

fn fixture_engine() -> ksp_core_lib::Result<crate::ConfigDocumentEngine> {
    let workspace = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../..");
    let fixture_root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("unit_tests/fixtures");
    let bootstrap = crate::ConfigBootstrapOptions::from_paths(fixture_root, workspace.join("config/schemas"));
    let bootstrap = match bootstrap {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let registry = crate::ConfigFileRegistry::defaults();
    return match registry {
        std::result::Result::Ok(value) => std::result::Result::Ok(crate::ConfigDocumentEngine::new(bootstrap, value)),
        std::result::Result::Err(error) => std::result::Result::Err(error),
    };
}